<template>
  <!-- 整体模板 -->
  <el-container class="layout">
    <!-- 侧边栏 -->
    <el-aside :width="isOpen?'200px':'64px'">
        <!-- logo部分 -->
        <div class="logo" :class="{logo_mini:!isOpen}"></div>
        <!-- 导航菜单 -->
         <el-menu
          :default-active="$route.path"
          background-color="#002233"
          text-color="#fff"
          active-text-color="#ffd04b"
          style="border-right:none"
          :collapse="!isOpen"
          :collapse-transition="false"
          router
        >
        <el-menu-item index="/">
          <i class="el-icon-s-home"></i>
          <span slot="title">首页</span>
        </el-menu-item>
        <el-menu-item index="/article">
          <i class="el-icon-document"></i>
          <span slot="title">内容管理</span>
        </el-menu-item>
        <el-menu-item index="/image">
          <i class="el-icon-picture"></i>
          <span slot="title">素材管理</span>
        </el-menu-item>
        <el-menu-item index="/publish">
          <i class="el-icon-s-promotion"></i>
          <span slot="title">发布文章</span>
        </el-menu-item>
        <el-menu-item index="/comment">
          <i class="el-icon-chat-dot-round"></i>
          <span slot="title">评论管理</span>
        </el-menu-item>
        <el-menu-item index="/fans">
          <i class="el-icon-present"></i>
          <span slot="title">粉丝管理</span>
        </el-menu-item>
        <el-menu-item index="/setting">
          <i class="el-icon-setting"></i>
          <span slot="title">个人设置</span>
        </el-menu-item>
      </el-menu>
    </el-aside>
    <el-container>
      <!-- 头部区域 -->
      <el-header>
        <span @click="toggleAside()" class="icon" :class="{'el-icon-s-fold':isOpen,'el-icon-s-unfold':!isOpen}"></span>
        <span class="text">阿里巴巴网络技术有限公司</span>
        <!-- 下拉菜单 -->
        <el-dropdown class="my-dropdown">
          <span>
            <!-- 绑定data中数据 -->
            <img class="head" :src="userInfo.photo" alt />
            <span class="name">{{userInfo.name}}</span>
            <i class="el-icon-arrow-down"></i>
          </span>
          <el-dropdown-menu slot="dropdown">
            <!-- 绑定事件完成操作 -->
            <el-dropdown-item @click.native="setting()" icon="el-icon-setting">个人设置</el-dropdown-item>
            <el-dropdown-item @click.native="unlogin()" icon="el-icon-unlock">退出登录</el-dropdown-item>
          </el-dropdown-menu>
        </el-dropdown>
      </el-header>
      <!-- 内容主体 -->
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>
<script>
import auth from '@/utils/auth.js'
import eventBus from '@/eventBus'
export default {
  name: "layout",
  data(){
      return {
        //   默认展开状态
          isOpen:true,
          // 声明用户信息
          userInfo:{
            photo:'123',
            name:''
          },
          
      }
  },
  created(){
    const {photo,name} = auth.getUser()
    this.userInfo = {photo,name};
    // 接收setting传过来的数据
    eventBus.$on('update-user-name',data=>{
      this.userInfo.name = data
    })
     eventBus.$on('update-user-photo',data=>{
      this.userInfo.photo = data
    })
  },
  methods: {
      toggleAside () {
        this.isOpen = !this.isOpen
      },
      setting(){
        // 跳转
        this.$router.push('/setting')
      },
      unlogin(){
        // 退出登录,删除保存的用户信息以及token
        auth.delUser();
        // 跳转
        this.$router.push('/login')
      }
  }
};
</script>
<style lang="less">
.layout {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
//   侧边栏样式
  .el-aside {
    background: #002233;
    .logo {
        width: 100%;
        height: 60px;
        background:#002244 url(../assets/logo_admin.png) no-repeat center / 140px auto;
    }
    .logo_mini {
      background-image: url(../assets/logo_admin_01.png);
      background-size: 36px auto;
    }
    
  }
//   头部样式
  .el-header {
    border-bottom: 1px solid #dddddd;
    line-height: 60px;
    .icon {
        font-size: 24px;
        vertical-align: middle;
        
        cursor: pointer;
    }
    .text {
      vertical-align: middle;
      margin-left: 10px;
     
    }
    .my-dropdown {
        float: right;
        .head{
            width: 30px;
            height: 30px;
            vertical-align: middle;
            margin-right: 10px;
        }
        .name {
            font-weight: 700;
            color: #333;
            margin: 0 10px;
            vertical-align: middle;
        }
    }
  }
}
</style>